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LG 50-Inch Class QNED AI 4K QNED82A Series Smart vs TCL 40-Inch Class S3 1080p LED Smart TV with Fire

Updated August 2026 — LG 50-Inch Class QNED AI 4K QNED82A Series Smart wins on gaming and picture quality, TCL 40-Inch Class S3 1080p LED Smart TV with Fire wins on design and value for money.

The LG 50-Inch Class QNED AI offers superior display quality and advanced features, making it the better choice for serious viewers. However, the TCL 40-Inch Class S3 is a budget-friendly option with decent performance.

Why LG 50-Inch Class QNED AI 4K QNED82A Series Smart is better

Display Quality

4K resolution vs 1080p

Smart Features

More extensive features with webOS

Sound Quality

Virtual 5.1 surround sound vs basic audio

Why TCL 40-Inch Class S3 1080p LED Smart TV with Fire is better

Price

$149.99 vs $346.99

Design

Sleek bezel-less design

Size

Compact 40-inch size for smaller spaces

Overall score

LG 50-Inch Class QNED AI 4K QNED82A Series Smart
85
TCL 40-Inch Class S3 1080p LED Smart TV with Fire
65

Specifications

SpecLG 50-Inch Class QNED AI 4K QNED82A Series SmartTCL 40-Inch Class S3 1080p LED Smart TV with Fire
Resolution4K1080p
HDRYesNo
Smart PlatformwebOSFire TV
AudioVirtual 5.1Basic
Gaming FeaturesYesNo

Dimension comparison

LG 50-Inch Class QNED AI 4K QNED82A Series SmartTCL 40-Inch Class S3 1080p LED Smart TV with Fire

Price Comparison

The LG 50-Inch Class QNED AI 4K QNED82A Series Smart TV is priced at $346.99, while the TCL 40-Inch Class S3 1080p LED Smart TV comes in at a significantly lower price of $149.99. This makes the TCL model about 57% cheaper than the LG TV. While the lower price of the TCL may appeal to budget-conscious consumers, it's essential to consider the features and specifications that each model offers for the price.

Display Quality

In terms of display quality, the LG 50-Inch Class QNED AI offers a 4K resolution, which provides a much sharper and more detailed picture compared to the TCL's 1080p resolution. The LG model features Dynamic QNED Color technology and HDR10 PRO, ensuring vibrant colors and enhanced visual experiences. Conversely, the TCL's 1080p Full HD resolution delivers decent clarity but lacks the depth and detail of 4K. For viewers seeking a cinematic experience with superior picture quality, the LG TV is a clear winner.

Smart Features

When it comes to smart features, the LG 50-Inch Class QNED AI is equipped with LG’s award-winning webOS platform, which offers a highly personalized streaming experience and access to over 350 free channels. The TCL 40-Inch Class S3, on the other hand, runs on Fire TV, providing access to a wide range of streaming apps and services. While both TVs support popular streaming platforms, the LG's more extensive selection of features and personalized AI-driven functionalities may enhance the user experience for those who prioritize smart technology.

Sound Quality

Sound quality is another area where the LG 50-Inch Class QNED AI stands out. It boasts virtual 5.1 surround sound and AI Sound technology, which enhances audio clarity and depth for a more immersive experience. The TCL 40-Inch Class S3 does offer Bluetooth personal audio capabilities, allowing users to connect Bluetooth headphones for a private listening experience, but it does not emphasize built-in sound quality to the same extent as the LG. For audiophiles or those who enjoy a robust audio experience while watching movies or gaming, the LG TV is the preferable choice.

Gaming Experience

Gamers may find the LG 50-Inch Class QNED AI more appealing due to its powerful gameplay features, including FreeSync, VRR, and support for GeForce NOW and Xbox Cloud Gaming. It also includes LG Game Optimizer and Game Dashboard, which enhance the gaming experience. The TCL 40-Inch Class S3, while capable of connecting to gaming consoles, lacks these advanced gaming features. Therefore, for serious gamers looking for high-performance specifications, the LG TV is the superior option.

Design and Aesthetics

In terms of design, the TCL 40-Inch Class S3 sports a FullView metal bezel-less design, offering an elegant and modern look that may appeal to those seeking a visually appealing TV. The LG 50-Inch Class QNED AI has a more traditional look but emphasizes a larger screen size, which enhances the viewing experience in larger rooms. Design preferences ultimately come down to personal taste, but the TCL's sleek design could be a deciding factor for some consumers.

Brand Reputation and Sales Rank

The LG 50-Inch Class QNED AI holds a sales rank of 3565, while the TCL 40-Inch Class S3 has a slightly higher sales rank of 5161. This indicates that the LG model may be more popular among consumers, possibly due to its advanced features and higher quality. Brand reputation can play a significant role in purchasing decisions, and LG is often recognized for its premium TV offerings. However, TCL is also known for providing value for money, particularly in the budget-friendly market segment.

Which should you buy?

Choosing between the LG 50-Inch Class QNED AI and the TCL 40-Inch Class S3 ultimately depends on your specific needs and budget. If you prioritize superior display quality, advanced smart features, and enhanced sound and gaming experiences, the LG model is worth the higher price at $346.99. However, if you're looking for a budget-friendly option that still offers decent performance and smart capabilities at $149.99, the TCL TV may be more suitable. Consider your viewing habits and requirements carefully before making a decision.